Vertical platform lift



FIG. 1 is a top, front, right perspective view of a vertical platform lift showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines immediately adjacent to the shaded areas define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the vertical platform lift show features that form no part of the claimed design. The vertical platform lift is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a vertical platform lift, as shown and described. 